<% form_tag session_path do -%>
    <span><label for="username">User name</label><%= text_field_tag 'username' %></span>
    <span><label for="password">Password</label><%= password_field_tag 'password' %></span>
    <span><label for="remember_me">Remember me:</label>
        <%= check_box_tag 'remember_me' %></span>
    <%= image_submit_tag 'btn_login.gif' %>
    <span><%= link_to 'Signup', signup_path %></span>
<% end -%>